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This paper introduces a new data augmentation method for neural machine translation that can enforce stronger semantic consistency both within and across languages. Our method is based on Conditional Masked Language Model (CMLM) which is…

计算与语言 · 计算机科学 2022-09-23 Qiao Cheng , Jin Huang , Yitao Duan

Adaptive policies are better than fixed policies for simultaneous translation, since they can flexibly balance the tradeoff between translation quality and latency based on the current context information. But previous methods on obtaining…

计算与语言 · 计算机科学 2020-05-05 Baigong Zheng , Kaibo Liu , Renjie Zheng , Mingbo Ma , Hairong Liu , Liang Huang

Time series forecasting is crucial in many fields, yet current deep learning models struggle with noise, data sparsity, and capturing complex multi-scale patterns. This paper presents MFF-FTNet, a novel framework addressing these challenges…

机器学习 · 计算机科学 2024-11-27 Yangyang Shi , Qianqian Ren , Yong Liu , Jianguo Sun

Stochastic parametrisations are used in weather and climate models to improve the representation of unpredictable unresolved processes. When compared to a deterministic model, a stochastic model represents `model uncertainty', i.e., sources…

大气与海洋物理 · 物理学 2020-04-22 Hannah M. Christensen

Conditional Flow Matching (CFM), a simulation-free method for training continuous normalizing flows, provides an efficient alternative to diffusion models for key tasks like image and video generation. The performance of CFM in solving…

机器学习 · 计算机科学 2026-03-17 Aram Davtyan , Leello Tadesse Dadi , Volkan Cevher , Paolo Favaro

Selecting an appropriate response from many candidates given the utterances in a multi-turn dialogue is the key problem for a retrieval-based dialogue system. Existing work formalizes the task as matching between the utterances and a…

计算与语言 · 计算机科学 2022-03-03 Wentao Zhang , Shuang Xu , Haoran Huang

End-to-end Speech Translation (E2E ST) aims to directly translate source speech into target text. Existing ST methods perform poorly when only extremely small speech-text data are available for training. We observe that an ST model's…

计算与语言 · 计算机科学 2023-07-10 Siqi Ouyang , Rong Ye , Lei Li

Transformers, powered by the attention mechanism, are the backbone of most foundation models, yet they suffer from quadratic complexity and difficulties in dealing with long-range dependencies in the input sequence. Recent work has shown…

机器学习 · 计算机科学 2026-02-03 Riccardo Zattra , Giacomo Baggio , Umberto Casti , Augusto Ferrante , Francesco Ticozzi

Transformer models using segment-based processing have been an effective architecture for simultaneous speech translation. However, such models create a context mismatch between training and inference environments, hindering potential…

计算与语言 · 计算机科学 2023-07-06 Matthew Raffel , Drew Penney , Lizhong Chen

Direct speech-to-speech translation (S2ST) with discrete units leverages recent progress in speech representation learning. Specifically, a sequence of discrete representations derived in a self-supervised manner are predicted from the…

计算与语言 · 计算机科学 2023-03-03 Rongjie Huang , Jinglin Liu , Huadai Liu , Yi Ren , Lichao Zhang , Jinzheng He , Zhou Zhao

Speech-to-text translation (ST), which directly translates the source language speech to the target language text, has attracted intensive attention recently. However, the combination of speech recognition and machine translation in a…

计算与语言 · 计算机科学 2022-04-18 Qianqian Dong , Mingxuan Wang , Hao Zhou , Shuang Xu , Bo Xu , Lei Li

We present Sequential Policy Optimization for Simultaneous Machine Translation (SeqPO-SiMT), a new policy optimization framework that defines the simultaneous machine translation (SiMT) task as a sequential decision making problem,…

计算与语言 · 计算机科学 2025-05-28 Ting Xu , Zhichao Huang , Jiankai Sun , Shanbo Cheng , Wai Lam

Agents that operate autonomously benefit from lifelong learning capabilities. However, compatible training algorithms must comply with the decentralized nature of these systems, which imposes constraints on both the parameter counts and the…

机器学习 · 计算机科学 2025-03-28 Xing Chen , Dongshu Liu , Jeremie Laydevant , Julie Grollier

Transient stability and critical clearing time (CCT) are important concepts in power system protection and control. This paper explores and compares various learning-based methods for predicting CCT under uncertainties arising from…

系统与控制 · 电气工程与系统科学 2024-09-05 Xingjian Wu , Xiaoting Wang , Xiaozhe Wang , Peter E. Caines , Jingyu Liu

This work develops a stochastic model predictive controller~(SMPC) for uncertain linear systems with additive Gaussian noise subject to state and control constraints. The proposed approach is based on the recently developed finite-horizon…

最优化与控制 · 数学 2019-11-26 Kazuhide Okamoto , Panagiotis Tsiotras

While modern machine translation has relied on large parallel corpora, a recent line of work has managed to train Neural Machine Translation (NMT) systems from monolingual corpora only (Artetxe et al., 2018c; Lample et al., 2018). Despite…

计算与语言 · 计算机科学 2021-12-28 Mikel Artetxe , Gorka Labaka , Eneko Agirre

Word alignment has proven to benefit many-to-many neural machine translation (NMT). However, high-quality ground-truth bilingual dictionaries were used for pre-editing in previous methods, which are unavailable for most language pairs.…

计算与语言 · 计算机科学 2022-04-27 Zhuoyuan Mao , Chenhui Chu , Raj Dabre , Haiyue Song , Zhen Wan , Sadao Kurohashi

As Large Language Models (LLMs) expand beyond text, integrating speech as a native modality has given rise to SpeechLLMs, which directly process spoken language and enable speech-to-text translation (ST) and other downstream tasks,…

Speech quality assessment has been a critical component in many voice communication related applications such as telephony and online conferencing. Traditional intrusive speech quality assessment requires the clean reference of the degraded…

音频与语音处理 · 电气工程与系统科学 2022-11-07 Yuchen Liu , Li-Chia Yang , Alex Pawlicki , Marko Stamenovic

This paper investigates negative sampling for contrastive learning in the context of audio-text retrieval. The strategy for negative sampling refers to selecting negatives (either audio clips or textual descriptions) from a pool of…

音频与语音处理 · 电气工程与系统科学 2023-02-20 Huang Xie , Okko Räsänen , Tuomas Virtanen